STEVAL-ISA044V2 STMicroelectronics, STEVAL-ISA044V2 Datasheet - Page 2

BOARD EVAL BASED ON ST1S10

STEVAL-ISA044V2

Manufacturer Part Number
STEVAL-ISA044V2
Description
BOARD EVAL BASED ON ST1S10
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Datasheets

Specifications of STEVAL-ISA044V2

Mfg Application Notes
ST1S10 AppNote
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Current - Output
3A
Voltage - Input
2.5 ~ 18V
Regulator Topology
Buck
Frequency - Switching
900kHz
Board Type
Fully Populated
Utilized Ic / Part
ST1S10
Input Voltage
2.5 V to 18 V
Product
Power Management Modules
Silicon Manufacturer
ST Micro
Silicon Core Number
ST1S10
Kit Application Type
Power Management - Voltage Regulator
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ST1S10
Other names
497-8229
STEVAL-ISA044V2
Contents
Contents
1
2
3
4
5
6
7
8
9
10
2/26
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
Layout considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.1
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
External components selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2.1
Output capacitor (V
Output capacitor (0.8 V < V
Output voltage selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Inductor (V
Inductor (0.8 V < V
Function operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.8.1
5.8.2
5.8.3
5.8.4
5.8.5
Thermal considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Input capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Sync operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Inhibit function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
OCP (over-current protection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SCP (short circuit protection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SCP and OCP operation with high capacitive load . . . . . . . . . . . . . . . . 12
OUT
> 2.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
OUT
OUT
Doc ID 13844 Rev 4
< 2.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
> 2.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
OUT
< 2.5 V) . . . . . . . . . . . . . . . . . . . . . . . . . 10
ST1S10

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